The Sea Wolf

When Kasch's friends escape from the island where they've lived their entire life Kasch takes some friends and decides he has to look for them. But while he's gone his island is destroyed, Everything is over. Everything he had ever known completely gone, his family, his island. All gone. Everything destroyed by the Sea Wolf who demolishes everything he sees and conquers the remains. Kasch has one job and only one which is saving his island. His people. But he doesn't know. Not until he meets the Sea Wolf. That's when he finds out. But he and his friends are stuck on a far away land with no way of getting back to his island that is being destroyed.